ArsimusArsimus is a Southern California–based retailer offering costumes and accessories, established in 2017. It features an online catalog with categories such as Accessories, Clubwear, and Seasonal items (Christmas, Halloween, Mardi Gras, patriotic). The site runs on Shopify and offers free shipping on orders over $35 with the code FREESHIPPING, along with standard shipping, refund, and privacy policies.